the filing deadline comes up in march, but "the los angeles times" reports one key clue. the governor has been adding to his campaign war chest, which stood at $13 million last july. since then, brown has collected an additional $4.2 million, before expenses. and governor brown typically keeps those expenses down by relying heavily on volunteers and old friends during his campaigns. >>> alameda county voters will once again be asked to approve a sales tax increase, but this time the tax hike would have a time limit. you might remember that voters narrowly rejected a similar proposal last year, measure b-1 missed by just 721 votes. it would have permanently raised the sales tax from a half cent to a full cent to pay for freeway and transit projects. members of the county transportation commission tell our media partner, the bay area news group, they'll try again next november with a tax measure that would expire after 30 years. >>> some changes coming to the post office next year. the cost of a stamp is going up again. the one-cent hike will kick in on january 26th, making